三道初三英语单选题
1.Hetaughtme___dohomework.
A.howtoB.howcouldIC.howIcan
2.It'suseful___aschoolsociety.
A.joiningB.takingpartinC.tojoinD.totakepartin
3.Chinaisa___country.
A.developingB.developedC.developD.development